import { login } from '@/api/user';
import { getToken, setToken, removeToken } from '@/utils/auth';
import router, { resetRouter } from '@/router';

const state = {
  token: getToken(),
  name: '',
  avatar: '',
  introduction: '',
  roles: [],
};

const mutations = {
  SET_TOKEN: (state, token) => {
    state.token = token;
  },
  SET_INTRODUCTION: (state, introduction) => {
    state.introduction = introduction;
  },
  SET_NAME: (state, name) => {
    state.name = name;
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar;
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles;
  },
};

const actions = {
  // user login
  login({ commit }, userInfo) {
    const { username, password } = userInfo;
    return new Promise((resolve, reject) => {
      login({ username: username.trim(), password: password, rememberMe: 1 })
        .then((response) => {
          const { data } = response;
          const { roles } = response;
          commit('SET_TOKEN', data);
          localStorage.setItem('roles', JSON.stringify(roles));
          localStorage.setItem('USER_ROLE', roles[0]);
          setToken(data);
          resolve();
        })
        .catch((error) => {
          alert('登录失败');
          reject(error);
        });
    });
  },

  // get user info
  getInfo({ commit, state }) {
    return new Promise((resolve, reject) => {
      const data = {};
      data.roles = JSON.parse(localStorage.getItem('roles'));
      commit('SET_ROLES', data.roles);
      resolve(data);
    });
  },

  // user logout
  logout({ commit, state }) {
    // return new Promise((resolve, reject) => {
    //   logout(state.token).then(() => {
    //     commit('SET_TOKEN', '')
    //     commit('SET_ROLES', [])
    //     removeToken()
    //     resetRouter()
    //     resolve()
    //   }).catch(error => {
    //     reject(error)
    //   })
    // })
    return new Promise((resolve) => {
      commit('SET_TOKEN', '');
      commit('SET_ROLES', []);
      removeToken();
      resetRouter();
      resolve();
    });
  },

  // remove token
  resetToken({ commit }) {
    return new Promise((resolve) => {
      commit('SET_TOKEN', '');
      commit('SET_ROLES', []);
      removeToken();
      resolve();
    });
  },

  // dynamically modify permissions
  changeRoles({ commit, dispatch }, role) {
    return new Promise(async (resolve) => {
      const token = role + '-token';

      commit('SET_TOKEN', token);
      setToken(token);

      const { roles } = await dispatch('getInfo');

      resetRouter();

      // generate accessible routes map based on roles
      const accessRoutes = await dispatch('permission/generateRoutes', roles, { root: true });

      // dynamically add accessible routes
      router.addRoutes(accessRoutes);

      // reset visited views and cached views
      dispatch('tagsView/delAllViews', null, { root: true });

      resolve();
    });
  },
};

export default {
  namespaced: true,
  state,
  mutations,
  actions,
};
